#include #include #include #include // 定义蛇的节点结构体 typedef struct SnakeNode { int x; // 节点的横坐标 int y; // 节点的纵坐标 struct SnakeNode *next; // 指向下一个节点的指针 } SnakeNode; // 定义蛇的结构体 typedef struct Snake { SnakeNode *head; // 指向蛇头的指针 SnakeNode *tail; // 指向蛇尾的指针 int length; // 蛇的长度 } Snake; // 初始化蛇 void initSnake(Snake *snake, int x, int y, int length) { // 创建蛇头节点 SnakeNode *head = (SnakeNode*)malloc(sizeof(SnakeNode)); if (head == NULL) { printf("Error: failed to allocate memory for snake head.\n"); exit(1); } head->x = x; head->y = y; head->next = NULL; // 创建蛇身节点 SnakeNode *prev = head; for (int i = 1; i < length; i++) { SnakeNode *node = (SnakeNode*)malloc(sizeof(SnakeNode)); if (node == NULL) { printf("Error: failed to allocate memory for snake node.\n"); exit(1); } node->x = x - i; node->y = y; node->next = NULL; prev->next = node; prev = node; } // 设置蛇头和蛇尾指针 snake->head = head; snake->tail = prev; snake->length = length; } // 渲染游戏界面 void render(Snake *snake, int width, int height, int foodX, int foodY) { // 清空屏幕 system("clear"); // 输出上边界 for (int i = 0; i < width + 2; i++) { printf("#"); } printf("\n"); // 输出游戏区域 for (int i = 0; i < height; i++) { printf("#"); for (int j = 0; j < width; j++) { if (j == foodX && i == foodY) { printf("*"); // 输出食物 } else if (snake->head->x == j && snake->head->y == i) { printf("@"); // 输出蛇头 } else { SnakeNode *node = snake->head->next; while (node != NULL) { if (node->x == j && node->y == i) { printf("o"); // 输出蛇身 break; } node = node->next; } if (node == NULL) { printf(" "); // 输出空格 } } } printf("#\n"); } // 输出下边界 for (int i = 0; i < width + 2; i++) { printf("#"); } printf("\n"); } // 处理用户输入 void handleInput(Snake *snake, int *dx, int *dy) { // 获取用户输入 char c = getchar(); // 根据用户输入设置蛇的移动方向 switch (c) { case 'w': // 上 *dx = 0; *dy = -1; break; case 'a': // 左 *dx = -1; *dy = 0; break; case 's': // 下 *dx = 0; *dy = 1; break; case 'd': // 右 *dx = 1; *dy = 0; break; case 'q': // 退出游戏 exit(0); default: break; } } void update(Snake *snake, int dx, int dy, int width, int height, int *foodX, int *foodY, int *score) { // 计算蛇头的新位置 int newX = snake->head->x + dx; int newY = snake->head->y + dy; // 判断蛇头是否撞到墙壁或蛇身 if (newX < 0 || newX >= width || newY < 0 || newY >= height) { printf("Game over!\n"); exit(0); } SnakeNode *node = snake->head->next; while (node != NULL) { if (node->x == newX && node->y== newY) { printf("Game over!\n"); exit(0); } node = node->next; } // 判断蛇头是否吃到食物 if (newX == *foodX && newY == *foodY) { // 创建新的食物 *foodX = rand() % width; *foodY = rand() % height; // 增加蛇的长度和分数 snake->length++; *score += 10; // 创建新的蛇头节点 SnakeNode *newHead = (SnakeNode*)malloc(sizeof(SnakeNode)); newHead->x = newX; newHead->y = newY; newHead->next = snake->head; // 设置蛇头指针 snake->head = newHead; } else { // 移动蛇尾 snake->tail->x = newX; snake->tail->y = newY; // 将蛇尾放到蛇头的位置 SnakeNode *node = snake->head; while (node->next != snake->tail) { node = node->next; } node->next = NULL; snake->tail->next = snake->head; snake->head = snake->tail; snake->tail = node; } } int main() { // 设置游戏区域的宽度和高度 int width = 20; int height = 10; // 初始化随机数生成器 srand(time(NULL)); // 创建蛇和食物 Snake snake; int foodX = rand() % width; int foodY = rand() % height; int score = 0; initSnake(&snake, width / 2, height / 2, 3); // 游戏循环 while (1) { // 渲染游戏界面 render(&snake, width, height, foodX, foodY); printf("Score: %d\n", score); // 处理用户输入 int dx = 0, dy = 0; handleInput(&snake, &dx, &dy); // 更新蛇的位置 update(&snake, dx, dy, width, height, &foodX, &foodY, &score); // 暂停一段时间 usleep(100000); } // 释放蛇的节点内存 SnakeNode *node = snake.head; while (node != NULL) { SnakeNode *next = node->next; free(node); node = next; } return 0; }

C项目-->贪吃蛇​

C项目-->贪吃蛇